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Finding the Fourth Proportional to 67,556.52, 101,386.68 and 64,087.68

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Solution

The fourth proportional to 67,556.52, 101,386.68 and 64,087.68 is: 96,180.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,556.52 : 101,386.68 = 64,087.68 : x
  2. Step 2: Convert to fraction form
    67,556.52/101,386.68 = 64,087.68/x
  3. Step 3: Cross multiply
    67,556.52x = 101,386.68 × 64,087.68
  4. Step 4: Simplify right side
    67,556.52x = 6,497,637,104.10
  5. Step 5: Solve for x
    x = 6,497,637,104.10/67,556.52
  6. Step 6: Final answer
    x = 96,180.76

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.